Mercedes-Benz GLC vs Renault Austral

Mercedes-Benz GLC
Mercedes' mid-size SUV on the MRA platform.
VS

Renault Austral
Renault’s modern compact SUV.
First car
Second car
Pick this one if…
Mercedes-Benz GLC
Pick the GLC for space, comfort and efficient engines in a premium mid-size SUV.
Best engine: The GLC 220 d (diesel) or GLC 250 (petrol) — the sweet spot.
Read the full guide
Pick this one if…
Renault Austral
Pick the Austral for a modern compact SUV with an efficient E-Tech hybrid.
Best engine: The 1.3 TCe (petrol) or E-Tech Full Hybrid 200.
Read the full guide
Performance
M274 GLC 250 · Petrol vs 1.2 E-Tech 200 · Hybrid
| Mercedes-Benz GLC | Renault Austral | |
|---|---|---|
| Power |
211 hp
Winner
|
200 hp
|
| Torque |
350 Nm
|
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|
| 0–100 km/h |
7,3 s
Winner
|
8,4 s
|
| Top speed |
222 km/h
Winner
|
175 km/h
|
| Power-to-weight |
121,6 hp/t
|
128,2 hp/t
Winner
|
| CO₂ emissions (WLTP) |
152 g/km
|
108 g/km
Winner
|
| Consumption (WLTP) |
6,5 L/100km
|
4,7 L/100km
Winner
|
Dimensions & space
| Mercedes-Benz GLC | Renault Austral | |
|---|---|---|
| Boot |
550 L
Winner
|
430 L
|
| Boot (seats folded) |
1.600 L
Winner
|
1.525 L
|
| Wheelbase |
2,87 m
Winner
|
2,67 m
|
| Length |
4,66 m
|
4,51 m
|
| Width |
1,89 m
|
1,83 m
|
| Height |
1,64 m
|
1,62 m
|
| Seats |
5
|
5
|
Powertrain & tech
| Mercedes-Benz GLC | Renault Austral | |
|---|---|---|
| Platform | MRA (rear-wheel-drive base, shared with the C-Class W205) | CMF-CD3 |
| Drive | Rear-wheel drive · All-wheel drive | Front-wheel drive |
| Engine family | M274/M264 petrol · OM651/OM654 diesel · plug-in hybrid | 1.2 TCe · 1.3 TCe · E-Tech Full Hybrid 200 |
| Fuel | Petrol · Diesel · Plug-in hybrid | Petrol · Hybrid |
| Transmission | 9G-TRONIC automatic | 6-speed manual · EDC7 · E-Tech automatic |
| Euro standard | Euro 6 (early) · Euro 6d (later) | Euro 6d |
| LEZ access | Euro 6 diesel allowed in the LEZ (Brussels/Antwerp/Ghent) | Euro 6d allowed in the LEZ |
Reliability & watch-outs
Known issues
Mercedes-Benz GLC
- Early OM651 diesel: timing chain and AdBlue/NOx watch-points
- 9G-TRONIC: fluid changes recommended earlier than official intervals
- AIRMATIC air suspension can leak at high mileage
- COMAND/MBUX software glitches (mostly fixed via updates)
Renault Austral
- Infotainment software needs updates
- Electrical gremlins on early cars
- E-Tech hybrid: 12V battery drain
Pros
Mercedes-Benz GLC
- 550 L boot growing to ~1,600 L — roomy for a mid-size SUV
- Efficient OM654 2.0 diesel (GLC 220 d: 194 hp / 400 Nm)
- MRA rear-wheel-drive platform with optional 4MATIC
- GLC 350 e PHEV: 320 hp system output and 560 Nm, company-car friendly
Renault Austral
- Modern interior with a big screen
- Efficient E-Tech Full Hybrid 200
- Roomy, modular boot (430–527 L)
Cons
Mercedes-Benz GLC
- OM651/OM654 diesel: AdBlue/DPF watch-points with lots of short trips
- PHEV (GLC 350 e) shrinks boot space (395 L)
- Complex electronics and air suspension need dealer maintenance
Renault Austral
- No diesel offered
- Infotainment takes getting used to
Compare specific generations
Belgian taxes & LEZ
Region
Fuel
Euro norm
First registration
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